State true or false:
The numbers $3 : 27$ and $9 : 9$ are in proportion.

True

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False

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Solution

The correct option is B False
To check $3 : 27$ and $9 : 9$ are in proportion
We need to equate the two ratios and check whether it is true.
Given: $\frac{3}{27} = \frac{9}{9}$
$⟹ \frac{1}{9} = 1$ , which is not true.
Hence, $3 : 27$ and $9 : 9$ are not in proportion.

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